Reaction of echinochrome trimethyl ether with aqueous ammonia
Autor: | Galina I. Melman, Vladimir A. Denisenko, V. Ph. Anufriev |
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Rok vydání: | 2010 |
Předmět: | |
Zdroj: | Russian Chemical Bulletin. 59:1781-1785 |
ISSN: | 1573-9171 1066-5285 |
Popis: | Reaction of 7-ethyl-2,3,6-trimethoxynaphthazarin with NH3·H2O proceeds at the carbonyl groups at the C(4) atoms of the 1,4-naphthoquinonoid tautomeric forms. Methoxy group adjacent to ethyl group is the orienting substituent in this reaction. |
Databáze: | OpenAIRE |
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